<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <title>错误信息</title>
    <style type="text/css">
        html, body {
            margin: 0;
            padding: 0;
            background: #1c91bd;
        }

        body > .content {
            position: absolute;
            top: 35%;
            left: 25%;
            width: 50%;
            display: block;
        }

        body > .content > span {
            color: #ffffff;
            font-weight: bold;
            font-size: 50px;
            display: block;
            width: 100%;
            text-align: center;
        }

        body > .content > hr {
            color: #ffffff;
            width: 100%;
            size: 1px;
        }
    </style>
</head>
<body>
<div class="content">
    <span>404 NOT FOUND</span>
    <hr>
    <span>页面被外星人绑架了</span>
</div>
</body>
</html>
